Milwaukee SHOCKWAVE Impact Duty™ 1/4" x 6" Magnetic Nut Driver is engineered with the most durable magnet designed to withstand heavy-duty applications throughout the life of the nut driver. This magnetic nut driver securely holds screws during application setup, providing unyielding bit engagement for reliable performance. Crafted from heat-treated CUSTOM ALLOY76™ steel, it controlled hardness that extends bit life significantly. The optimized SHOCK ZONE™ technology absorbs peak torque, preventing bit breakage and enhancing durability. Featuring a chamfered edge for maximum screw-head engagement and improved hex geometry for fit, it reduces stripping during use. Color-coded bands help quickly identify the right diameter, making it easy to select the correct tool. This nut driver is designed for use with impact drivers and drill drivers, delivering exceptional performance for demanding tasks. Model Number: 49-66-4582